Corneal staining isn’t a disease, it’s a sign of abrasions to your cornea, the outer surface tissue of your eyes. Abrasions can have different causes, including wearing contact lenses or if something ...

Dry eye disease can lead to corneal abrasions (scratches) in some cases, while injuries to your cornea, such as abrasions, can also lead to dry eye. Dry eyes are medically known as dry eye disease or ...

Corneal ulcers are open sores that develop on the cornea, the transparent layer at the front of the eye. These ulcers may form if a person has an eye infection, very dry eyes, or sleeps with their ...

It’s not unusual for blue-tinted rings to appear around your iris — the colored part of your eye. This condition is called corneal arcus. There may be a link between early onset corneal arcus (also ...

A corneal ulcer is an open sore or wound on the cornea — the transparent, dome-shaped surface that covers the front of the eye and focuses light into it. Often beginning as keratitis (inflammation of ...

A corneal abrasion is an eye injury caused by a scratch or scrape on the cornea’s surface. A person’s fingernails, contact lenses, or other foreign objects can all cause a corneal abrasion. The cornea ...

Corneal transplantation is a procedure that involves the repair of a damaged or diseased cornea with healthier cadaver tissue. This is called allotransplantation which refers to the transplantation of ...

This story is part of a series on the current progression in Regenerative Medicine. This piece is part of a series dedicated to the eye and improvements in restoring vision. In 1999, I defined ...